Oracle Database 12c: Installation and Administration — Question 212

Oracle Grid Infrastructure for a stand-alone server is installed on your production host before installing the Oracle Database server. The database and listener are configured by using Oracle Restart.
Examine the following command and its output:
$ crsctl config has
CRS-4622: Oracle High Availability Services auto start is enabled.
What does this imply?

Answer options

• A. When you start an instance on a high with SQL *Plus dependent listeners and ASM disk groups are automatically started.
• B. When a database instance is started by using the SRVCTL utility and listener startup fails, the instance is still started.
• C. When a database is created by using SQL* Plus, it is automatically added to the Oracle Restart configuration.
• D. When you create a database service by modifying the SERVICE_NAMES initialization parameter, it is automatically added to the Oracle Restart configuration.

Correct answer: B

Explanation

The correct answer is B because when the listener fails to start, the instance can still be started, ensuring high availability. Options A, C, and D are incorrect because they do not accurately reflect the behavior of Oracle Restart under the conditions described in the scenario.